nine inch nails music players can be found on the following sites:

last.fm - Listen to NIN's entire catalog free, share songs, create custom playlists.

facebook - Listen to a variety of NIN songs and add them to your Facebook profile.

ilike - Listen to the "The Slip" in its entirety, as well as a selection of other NIN music.

myspace - Listen to a selection of NIN's latest music, and add songs to your profile.